The main goal of this pilot study is to determine effect sizes, so odds ratios and confidence intervals will be reported for use in developing a fully powered study. A sensitivity analyses was peformed using G starPower to determine detectible differences. With the proposed sample size of 60, there would be sufficient power to detect a decrease in the proportion of participants requiring aggressive fluids at 8-16 hours of 17%, versus the expected 50% in patients randomized to moderate treatment (alpha = 0.05, one sided; 1-beta = 0.80).